基于岩石物理相的储集层分类评价:以北部湾盆地乌石凹陷东区始新统流沙港组三段Ⅱ油组为例
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曾小明
, 张辉, 邹明生, 黄冬梅, 莫冯阳
Reservoir classification and evaluation based on petrophysical facies:A case study on the pay set Ⅱ in Member 3 of Eocene Liushagang Formation in eastern Wushi sag,Beibu Wan Basin
Zeng Xiaoming
, Zhang Hui, Zou Mingsheng, Huang Dongmei, Mo Fengyang
北部湾盆地乌石凹陷东区始新统流沙港组三段Ⅱ油组主要孔隙类型 a—铸模孔,W9井,2774.91,m,单偏光,长石等不稳定颗粒被溶蚀强烈时,整个颗粒会被完全溶蚀掉,形成铸模孔;b—原生粒间孔,W8井,2374.50,m,单偏光,颗粒间没有完全被压实和充填的剩余粒间孔隙;c—粒内溶孔,W9井,2774.07,m,单偏光,长石颗粒多沿解 理缝进行溶蚀,形成粒内溶孔,岩屑由于不稳定也容易形粒内溶孔